420133443 has 8 divisors (see below), whose sum is σ = 560635728. Its totient is φ = 279860064.

The previous prime is 420133397. The next prime is 420133451. The reversal of 420133443 is 344331024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420133443 - 2⁹ = 420132931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420133243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52896 + ... + 60317.

It is an arithmetic number, because the mean of its divisors is an integer number (70079466).

Almost surely, 2^420133443 is an apocalyptic number.

420133443 is a deficient number, since it is larger than the sum of its proper divisors (140502285).

420133443 is a wasteful number, since it uses less digits than its factorization.

420133443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114453.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 420133443 is about 20497.1569491966. The cubic root of 420133443 is about 748.9665428313.

Adding to 420133443 its reverse (344331024), we get a palindrome (764464467).

The spelling of 420133443 in words is "four hundred twenty million, one hundred thirty-three thousand, four hundred forty-three".